/****************************************************************************
 *
 * Copyright 2017 Samsung Electronics All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the License.
 *
 ****************************************************************************/
/****************************************************************************
 * examples/ftpc/ftpc_cmds.c
 *
 *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "ftpc.h"

/****************************************************************************
 * Public Types
 ****************************************************************************/

/****************************************************************************
 * Private Data
 ****************************************************************************/

/****************************************************************************
 * Private Functions
 ****************************************************************************/

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: cmd_rlogin
 ****************************************************************************/

int cmd_rlogin(SESSION handle, int argc, char **argv)
{
	struct ftpc_login_s login = { NULL, NULL, NULL, true };

	login.uname = argv[1];
	if (argc > 2) {
		login.pwd = argv[2];
	}

	return ftpc_login(handle, &login);
}

/****************************************************************************
 * Name: cmd_rquit
 ****************************************************************************/

int cmd_rquit(SESSION handle, int argc, char **argv)
{
	int ret = ftpc_quit(handle);
	if (ret < 0) {
		printf("quit failed: %d\n", errno);
		return ERROR;
	}
	printf("Exiting...\n");
	return OK;
}

/****************************************************************************
 * Name: cmd_rchdir
 ****************************************************************************/

int cmd_rchdir(SESSION handle, int argc, char **argv)
{
	return ftpc_chdir(handle, argv[1]);
}

/****************************************************************************
 * Name: cmd_rpwd
 ****************************************************************************/

int cmd_rpwd(SESSION handle, int argc, char **argv)
{
	FAR char *pwd = ftpc_rpwd(handle);
	if (pwd) {
		printf("PWD: %s\n", pwd);
		free(pwd);
		return OK;
	}

	return ERROR;
}

/****************************************************************************
 * Name: cmd_rcdup
 ****************************************************************************/

int cmd_rcdup(SESSION handle, int argc, char **argv)
{
	return ftpc_cdup(handle);
}

/****************************************************************************
 * Name: cmd_rmkdir
 ****************************************************************************/

int cmd_rmkdir(SESSION handle, int argc, char **argv)
{
	return ftpc_mkdir(handle, argv[1]);
}

/****************************************************************************
 * Name: cmd_rrmdir
 ****************************************************************************/

int cmd_rrmdir(SESSION handle, int argc, char **argv)
{
	return ftpc_rmdir(handle, argv[1]);
}

/****************************************************************************
 * Name: cmd_runlink
 ****************************************************************************/

int cmd_runlink(SESSION handle, int argc, char **argv)
{
	return ftpc_unlink(handle, argv[1]);
}

/****************************************************************************
 * Name: cmd_rchmod
 ****************************************************************************/

int cmd_rchmod(SESSION handle, int argc, char **argv)
{
	return ftpc_chmod(handle, argv[1], argv[2]);
}

/****************************************************************************
 * Name: cmd_rrename
 ****************************************************************************/

int cmd_rrename(SESSION handle, int argc, char **argv)
{
	return ftpc_rename(handle, argv[1], argv[2]);
}

/****************************************************************************
 * Name: cmd_rsize
 ****************************************************************************/

int cmd_rsize(SESSION handle, int argc, char **argv)
{
	off_t size = ftpc_filesize(handle, argv[1]);
	printf("SIZE: %lu\n", size);
	return OK;
}

/****************************************************************************
 * Name: cmd_rtime
 ****************************************************************************/

int cmd_rtime(SESSION handle, int argc, char **argv)
{
	time_t filetime = ftpc_filetime(handle, argv[1]);
	printf("TIME: %lu\n", (long)filetime);
	return OK;
}

/****************************************************************************
 * Name: cmd_ridle
 ****************************************************************************/

int cmd_ridle(SESSION handle, int argc, char **argv)
{
	unsigned int idletime = 0;

	if (argc > 1) {
		idletime = atoi(argv[1]);
	}

	return ftpc_idle(handle, idletime);
}

/****************************************************************************
 * Name: cmd_rnoop
 ****************************************************************************/

int cmd_rnoop(SESSION handle, int argc, char **argv)
{
	return ftpc_noop(handle);
}

/****************************************************************************
 * Name: cmd_rhelp
 ****************************************************************************/

int cmd_rhelp(SESSION handle, int argc, char **argv)
{
	FAR const char *cmd = NULL;
	int ret;

	if (argc > 1) {
		cmd = argv[1];
	}

	ret = ftpc_help(handle, cmd);
	if (ret == OK) {
		FAR char *msg = ftpc_response(handle);
		puts(msg);
		free(msg);
	}

	return ret;
}

/****************************************************************************
 * Name: cmd_rls
 ****************************************************************************/

int cmd_rls(SESSION handle, int argc, char **argv)
{
	FAR struct ftpc_dirlist_s *dirlist;
	FAR char *dirname = NULL;
	int i;

	/* Get the directory listing */

	if (argc > 1) {
		dirname = argv[1];
	}

	dirlist = ftpc_listdir(handle, dirname);
	if (!dirlist) {
		return ERROR;
	}

	/* Print the directory listing */

	printf("%s/\n", dirname ? dirname : ".");
	for (i = 0; i < dirlist->nnames; i++) {
		printf("  %s\n", dirlist->name[i]);
	}

	FFLUSH();

	/* We are responsible for freeing the directory structure allocated by
	 * ftpc_listdir().
	 */

	ftpc_dirfree(dirlist);
	return OK;
}

/****************************************************************************
 * Name: cmd_rget
 ****************************************************************************/

int cmd_rget(SESSION handle, int argc, char **argv)
{
	FAR const char *rname;
	FAR const char *lname = NULL;
	int xfrmode = FTPC_XFRMODE_ASCII;
	int option;

	while ((option = getopt(argc, argv, "ab")) != ERROR) {
		if (option == 'a') {
			xfrmode = FTPC_XFRMODE_ASCII;
		} else if (option == 'b') {
			xfrmode = FTPC_XFRMODE_BINARY;
		} else {
			printf("%s: Unrecognized option: '%c'\n", "rget", option);
			return ERROR;
		}
	}

	/* There should be one or two parameters remaining on the command line */

	if (optind >= argc) {
		printf("%s: Missing required arguments\n", "rget");
		return ERROR;
	}

	rname = argv[optind];
	optind++;

	if (optind < argc) {
		lname = argv[optind];
		optind++;
	}

	if (optind != argc) {
		printf("%s: Too many arguments\n", "rget");
		return ERROR;
	}

	/* Perform the transfer */

	return ftpc_getfile(handle, rname, lname, FTPC_GET_NORMAL, xfrmode);
}

/****************************************************************************
 * Name: cmd_rput
 ****************************************************************************/

int cmd_rput(SESSION handle, int argc, char **argv)
{
	FAR const char *lname;
	FAR const char *rname = NULL;
	int xfrmode = FTPC_XFRMODE_ASCII;
	int option;

	while ((option = getopt(argc, argv, "ab")) != ERROR) {
		if (option == 'a') {
			xfrmode = FTPC_XFRMODE_ASCII;
		} else if (option == 'b') {
			xfrmode = FTPC_XFRMODE_BINARY;
		} else {
			printf("%s: Unrecognized option: '%c'\n", "rput", option);
			return ERROR;
		}
	}

	/* There should be one or two parameters remaining on the command line */

	if (optind >= argc) {
		printf("%s: Missing required arguments\n", "rput");
		return ERROR;
	}

	lname = argv[optind];
	optind++;

	if (optind < argc) {
		rname = argv[optind];
		optind++;
	}

	if (optind != argc) {
		printf("%s: Too many arguments\n", "rput");
		return ERROR;
	}

	/* Perform the transfer */

	return ftp_putfile(handle, lname, rname, FTPC_PUT_NORMAL, xfrmode);
}
